Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

STEHEKIN-AIRSTRIP (STRW1)

Lat: 48.34694°NLon: 120.72028°WElev: 1230.0ft.

NA

33°F

1°C

Humidity 88%
Wind Speed WNW 0 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 18 Jan 08:01 PM PST
Extended Forecast for

4 Miles NE Trinity WA

Air Stagnation Advisory January 18, 09:13pm until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 18, 09:13pm until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Tonight

    Low: 27 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 37. North wind 5 to 7 mph becoming light and variable.

    High: 37 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 29. West wind 8 to 10 mph.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 33. West wind 6 to 10 mph.

    High: 33 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 21. West wind around 8 mph.

    Low: 21 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 27. North wind around 9 mph.
M.L.King Day
Sunny, with a high near 37. North wind 5 to 7 mph becoming light and variable.
Monday Night
Mostly clear, with a low around 29. West wind 8 to 10 mph.
Tuesday
Mostly sunny, with a high near 33. West wind 6 to 10 mph.
Tuesday Night
Mostly clear, with a low around 21. West wind around 8 mph.
Wednesday
Mostly sunny, with a high near 31.
Wednesday Night
Partly cloudy, with a low around 21.
Thursday
Mostly sunny, with a high near 28.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 22.
Friday
Snow likely, mainly after 4pm. Partly sunny, with a high near 26. Chance of precipitation is 60%.
Friday Night
Snow likely. Mostly cloudy, with a low around 16. Chance of precipitation is 60%.
Saturday
Snow likely. Partly sunny, with a high near 21. Chance of precipitation is 60%.
Saturday Night
Snow likely. Mostly cloudy, with a low around 15. Chance of precipitation is 60%.
Sunday
Snow likely. Mostly cloudy, with a high near 22. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Trinity WA
 48.11°N 120.78°W (Elev. 7300 ft)
9:02 pm PST Jan 18, 2026
9pm PST Jan 18, 2026-6pm PST Jan 25, 2026
 
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Additional Resources

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